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[HL-A and psoriatic rheumatism].
Revue Du Rhumatisme Et Des Maladies Osteo-Articulaires
|July 1, 1975
Summary
Central and peripheral psoriatic rheumatism exhibit distinct Human Leukocyte Antigen (HLA) profiles. These HLA group associations aid in differentiating psoriatic rheumatism subtypes and other inflammatory arthropathies.
Area of Science:
- Immunogenetics
- Rheumatology
- Dermatology
Background:
- Psoriatic rheumatism, a condition affecting joints in psoriasis patients, presents with diverse clinical forms.
- Understanding the genetic underpinnings, particularly Human Leukocyte Antigen (HLA) associations, is crucial for classification.
Purpose of the Study:
- To investigate the specific HLA antigen profiles associated with central and peripheral forms of psoriatic rheumatism.
- To evaluate the utility of HLA typing in the differential diagnosis of inflammatory arthropathies.
Main Methods:
- Human Leukocyte Antigen (HLA) typing was performed on 61 patients with psoriatic rheumatism.
- Patients were categorized into central (pelvispondylitis) and peripheral (polyarthritis) forms.
- Results were analyzed and compared with existing literature.
Main Results:
- Central psoriatic rheumatism showed strong associations with HLA-W27 and HLA-Da31.
- Peripheral psoriatic rheumatism demonstrated associations primarily with HLA-W17, similar to psoriasis without joint involvement.
- Distinct HLA profiles were observed between central and peripheral psoriatic rheumatism.
Conclusions:
- HLA antigen profiles clearly distinguish central from peripheral psoriatic rheumatism.
- HLA groupings are valuable for differential diagnosis, distinguishing psoriatic rheumatism from ankylosing spondylarthritis, Fiessinger-Leroy-Reiter syndrome, and rheumatoid arthritis.